Stewart Owen coordinates and manages both mode of action driven investigations into the environmental toxicology of pharmaceuticals in the environment and fish welfare research within AstraZeneca. He a member of the studentship panel for the NC3Rs (2013-16) - a government-funded body which promotes better animal welfare and development of alternatives to animal testing. As an integrative biologist he has a holistic understanding of fish physiology and its relationship with the environment. His remit includes the provision of new tools and knowledge that will enable effective environmental risk assessment in the future; identifying gaps and providing solutions.